[dpdk-dev] [PATCH v7 03/11] vhost: add the inflight structure
JinYu
jin.yu at intel.com
Tue Sep 17 16:52:26 CEST 2019
This patch adds the inflight queue region structure include
the split and packed.
Signed-off-by: Lin Li <lilin24 at baidu.com>
Signed-off-by: Xun Ni <nixun at baidu.com>
Signed-off-by: Yu Zhang <zhangyu31 at baidu.com>
Signed-off-by: Jin Yu <jin.yu at intel.com>
---
lib/librte_vhost/rte_vhost.h | 43 ++++++++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/lib/librte_vhost/rte_vhost.h b/lib/librte_vhost/rte_vhost.h
index 7257f0965..644b3e0d7 100644
--- a/lib/librte_vhost/rte_vhost.h
+++ b/lib/librte_vhost/rte_vhost.h
@@ -102,6 +102,49 @@ struct rte_vhost_memory {
struct rte_vhost_mem_region regions[];
};
+struct rte_vhost_inflight_desc_split {
+ uint8_t inflight;
+ uint8_t padding[5];
+ uint16_t next;
+ uint64_t counter;
+};
+
+struct rte_vhost_inflight_info_split {
+ uint64_t features;
+ uint16_t version;
+ uint16_t desc_num;
+ uint16_t last_inflight_io;
+ uint16_t used_idx;
+ struct rte_vhost_inflight_desc_split desc[0];
+};
+
+struct rte_vhost_inflight_desc_packed {
+ uint8_t inflight;
+ uint8_t padding;
+ uint16_t next;
+ uint16_t last;
+ uint16_t num;
+ uint64_t counter;
+ uint16_t id;
+ uint16_t flags;
+ uint32_t len;
+ uint64_t addr;
+ };
+
+struct rte_vhost_inflight_info_packed {
+ uint64_t features;
+ uint16_t version;
+ uint16_t desc_num;
+ uint16_t free_head;
+ uint16_t old_free_head;
+ uint16_t used_idx;
+ uint16_t old_used_idx;
+ uint8_t used_wrap_counter;
+ uint8_t old_used_wrap_counter;
+ uint8_t padding[7];
+ struct rte_vhost_inflight_desc_packed desc[0];
+};
+
struct rte_vhost_vring {
union {
struct vring_desc *desc;
--
2.17.2
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